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Cheap flights from Boston to New York from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to New York departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
11:41 am - 7:51 pm
BOS
-
ISP
8h 10m1 stop
Multiple Airlines Logo
8:54 pm - 5:44 pm
ISP
-
BOS
20h 50m2 stops
$164Multiple Airlines
Mon, Jan 12 - Mon, Jan 19
Multiple Airlines Logo
3:43 pm - 10:46 pm
BOS
-
ISP
31h 03m1 stop
Multiple Airlines Logo
8:54 pm - 2:38 pm
ISP
-
BOS
17h 44m1 stop
$174Multiple Airlines
Mon, Jan 12 - Mon, Jan 19
Southwest Logo
8:50 am - 3:25 pm
BOS
-
ISP
6h 35m1 stop
Southwest Logo
11:50 am - 6:00 pm
ISP
-
BOS
6h 10m1 stop
$327Southwest
Sat, Jan 31 - Sun, Feb 1
Southwest Logo
5:30 am - 3:25 pm
BOS
-
ISP
9h 55m2 stops
Southwest Logo
5:55 am - 12:15 pm
ISP
-
BOS
6h 20m1 stop
$332Southwest
Sat, Jan 31 - Sun, Feb 1
Multiple Airlines Logo
7:30 pm - 8:52 am
BOS
-
ISP
13h 22m1 stop
Multiple Airlines Logo
7:25 am - 8:59 am
ISP
-
BOS
1h 34mnonstop
$351Multiple Airlines
Mon, Jan 12 - Mon, Jan 19
Multiple Airlines Logo
3:43 pm - 8:40 am
BOS
-
ISP
16h 57m1 stop
Multiple Airlines Logo
12:30 pm - 2:04 pm
ISP
-
BOS
1h 34mnonstop
$396Multiple Airlines
Sat, Jan 31 - Sun, Feb 1
Southwest Logo
5:35 pm - 10:05 pm
BOS
-
ISP
4h 30m1 stop
Southwest Logo
5:40 am - 11:00 am
ISP
-
BOS
5h 20m1 stop
$459Southwest
Wed, Dec 31 - Fri, Jan 2
Multiple Airlines Logo
2:34 pm - 4:10 pm
BOS
-
ISP
1h 36mnonstop
Multiple Airlines Logo
8:24 pm - 1:19 am
ISP
-
BOS
52h 55m2 stops
$468Multiple Airlines
Wed, Dec 31 - Sun, Jan 4
Multiple Airlines Logo
12:18 pm - 4:37 pm
BOS
-
ISP
28h 19m2 stops
Multiple Airlines Logo
12:30 pm - 2:04 pm
ISP
-
BOS
1h 34mnonstop
$481Multiple Airlines
Tue, Dec 30 - Thu, Jan 1
Southwest Logo
12:20 pm - 9:30 pm
BOS
-
ISP
9h 10m2 stops
Southwest Logo
5:40 am - 11:00 am
ISP
-
BOS
5h 20m1 stop
$482Southwest
Wed, Dec 31 - Fri, Jan 2

Southwest flights from Boston to Islip, New York

Our best Southwest deals on Boston to Islip, New York flight tickets
Southwest
Jan 31
BOS8:50 amBoston Logan Intl
6h 35m
1 stop
ISP3:25 pmIslip Long Island
Feb 1
ISP11:50 amIslip Long Island
6h 10m
1 stop
BOS6:00 pmBoston Logan Intl
$327
Find similar
Southwest
Jan 31
BOS5:30 amBoston Logan Intl
9h 55m
2 stops
ISP3:25 pmIslip Long Island
Feb 1
ISP5:55 amIslip Long Island
6h 20m
1 stop
BOS12:15 pmBoston Logan Intl
$332
Find similar
Southwest
Dec 31
BOS5:35 pmBoston Logan Intl
4h 30m
1 stop
ISP10:05 pmIslip Long Island
Jan 2
ISP5:40 amIslip Long Island
5h 20m
1 stop
BOS11:00 amBoston Logan Intl
$459
Find similar

Cape Air flights from Boston to Islip, New York

Our best Cape Air deals on Boston to Islip, New York flight tickets
Cape Air
Jan 12
BOS2:34 pmBoston Logan Intl
1h 36m
ISP4:10 pmIslip Long Island
Jan 19
ISP7:25 amIslip Long Island
1h 34m
BOS8:59 amBoston Logan Intl
$507
Find similar
Cape Air
Dec 30
BOS2:34 pmBoston Logan Intl
1h 36m
ISP4:10 pmIslip Long Island
Jan 1
ISP9:59 amIslip Long Island
1h 25m
BOS11:24 amBoston Logan Intl
$508
Find similar
Cape Air
Dec 28
BOS9:30 amBoston Logan Intl
1h 35m
ISP11:05 amIslip Long Island
Jan 3
ISP7:25 amIslip Long Island
1h 34m
BOS8:59 amBoston Logan Intl
$520
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Boston to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Mon 1/12

11:41 am-7:51 pm

1 stop8h 10m

Islip Long Island

Mon 1/19

8:54 pm-5:44 pm

2 stops20h 50m

$164

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Mon 1/12

3:43 pm-10:46 pm

1 stop31h 03m

Islip Long Island

Mon 1/19

8:54 pm-2:38 pm

1 stop17h 44m

$174

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Sat 1/31

8:50 am-3:25 pm

1 stop6h 35m

Islip Long Island

Sun 2/1

11:50 am-6:00 pm

1 stop6h 10m

$327

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Sat 1/31

5:30 am-3:25 pm

2 stops9h 55m

Islip Long Island

Sun 2/1

5:55 am-12:15 pm

1 stop6h 20m

$332

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Mon 1/12

7:30 pm-8:52 am

1 stop13h 22m

Islip Long Island

Mon 1/19

7:25 am-8:59 am

Nonstop1h 34m

$351

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Sat 1/31

3:43 pm-8:40 am

1 stop16h 57m

Islip Long Island

Sun 2/1

12:30 pm-2:04 pm

Nonstop1h 34m

$396

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Wed 12/31

5:35 pm-10:05 pm

1 stop4h 30m

Islip Long Island

Fri 1/2

5:40 am-11:00 am

1 stop5h 20m

$459

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Wed 12/31

2:34 pm-4:10 pm

Nonstop1h 36m

Islip Long Island

Sun 1/4

8:24 pm-1:19 am

2 stops52h 55m

$468

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Tue 12/30

12:18 pm-4:37 pm

2 stops28h 19m

Islip Long Island

Thu 1/1

12:30 pm-2:04 pm

Nonstop1h 34m

$481

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Wed 12/31

12:20 pm-9:30 pm

2 stops9h 10m

Islip Long Island

Fri 1/2

5:40 am-11:00 am

1 stop5h 20m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Boston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from Boston to Islip, New York is on a Thursday. Travelers who choose to depart for Islip, New York on a Thursday will often find tickets for as low as $458. The most expensive day to fly to Islip, New York is Sunday, with ticket prices averaging around $628.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $237 when looking at flights departing in the evening. Flights to Islip, New York are more costly at noon, with an average ticket price of $580. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Islip Long Island flight route?

Fly from Boston Logan Intl to Islip Long Island for the best Boston Logan Intl - Islip Long Island flight prices

What cabin class options are available on Boston Logan Intl to Islip Long Island flights?

There is only 1 cabin class available to choose from on Boston Logan Intl to Islip Long Island flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Islip, New York flights?

You could potentially save up to 31% on your flight if you consider stops on a Boston to Islip, New York flight.

When to book flights from Boston to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Islip, New York (BOS to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Islip, New York

Best Price Found

$273

Fastest flight time

1h 26m

Direct flights

Every day

Airports in Islip, New York

1 airport
The best one-way flight to Islip, New York from Boston in the past 72 hours is $273. The best round-trip flight deal from Boston to Islip, New York found on momondo in the last 72 hours is $623.
The fastest flight from Boston to Islip, New York takes 1h 26m
Direct flights go from Boston to Islip, New York every day.
There is 1 airport in Islip, New York. From Boston there are direct flights to Islip Long Island (ISP).
Search flight deals

  • How far is Boston Logan Intl to Islip Long Island by plane?

    There are 158.2 mi between Boston Logan Intl and Islip Long Island. A reasonable flight in good conditions will take 1h 26m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Islip Long Island Airport?

    Prices for flights from Boston Logan Intl Airport to Islip Long Island Airport refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Islip Long Island Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Islip Long Island Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Islip, New York?

  • What is the most popular airline from Boston to Islip, New York?

Best airlines flying from Boston to Islip, New York

Compare and see reviews for airlines that fly from Boston to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $77Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
SouthwestPriceFrom $278Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
Cape AirPriceFrom $455Free CancellationRating
9.3
36 reviews
Search Cape Air flights

  • Cape Air Flights From Boston to Islip, New York

    Cape Air flies from Boston to Islip, New York around 21 times per week, with 36 momondo users rating the airline 9.3/10. The cheapest Cape Air deal from Boston to Islip, New York in the last 72 hours was $455 (round-trip), much lower than the average airfare cost of $520 for Cape Air flights on this route.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
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Sag Harbor
Southampton
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Islip?

Finding the right flight to Islip from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Boston to Islip with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Islip flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Islip?

momondo helps you find the best flight between Boston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Islip right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Islip flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Islip, New York trip

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